[INFO] cloning repository https://github.com/Leaves333/rtimer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leaves333/rtimer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeaves333%2Frtimer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeaves333%2Frtimer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3fce40fc419416f61761ecb61258ec268564f03
[INFO] testing Leaves333/rtimer against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeaves333%2Frtimer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Leaves333/rtimer
[INFO] finished tweaking git repo https://github.com/Leaves333/rtimer
[INFO] tweaked toml for git repo https://github.com/Leaves333/rtimer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Leaves333/rtimer on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Leaves333/rtimer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f13111ef0911414c9c4e11af7de6a711bef26cd0ffd512d7e62c3ffd299c25f
[INFO] running `Command { std: "docker" "start" "-a" "7f13111ef0911414c9c4e11af7de6a711bef26cd0ffd512d7e62c3ffd299c25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f13111ef0911414c9c4e11af7de6a711bef26cd0ffd512d7e62c3ffd299c25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f13111ef0911414c9c4e11af7de6a711bef26cd0ffd512d7e62c3ffd299c25f", kill_on_drop: false }`
[INFO] [stdout] 7f13111ef0911414c9c4e11af7de6a711bef26cd0ffd512d7e62c3ffd299c25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5343251c025a6b7a9a45ed3aaa64e01d4cf2f0dc685bffb86a90e43a3160926e
[INFO] running `Command { std: "docker" "start" "-a" "5343251c025a6b7a9a45ed3aaa64e01d4cf2f0dc685bffb86a90e43a3160926e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling zune-jpeg v0.4.21
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling pxfm v0.1.25
[INFO] [stderr]    Compiling avif-serialize v0.8.6
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling lebe v0.5.3
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling gif v0.13.3
[INFO] [stderr]    Compiling image-webp v0.2.4
[INFO] [stderr]    Compiling png v0.18.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling console v0.16.1
[INFO] [stderr]    Compiling unit-prefix v0.5.1
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling indicatif v0.18.2
[INFO] [stderr]    Compiling moxcms v0.7.9
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling fax v0.2.6
[INFO] [stderr]    Compiling profiling v1.0.17
[INFO] [stderr]    Compiling equator v0.4.2
[INFO] [stderr]    Compiling aligned-vec v0.6.4
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling v_frame v0.3.9
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling av1-grain v0.2.5
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling tiff v0.10.3
[INFO] [stderr]    Compiling zvariant_utils v3.2.1
[INFO] [stderr]    Compiling enumflags2 v0.7.12
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling zvariant_derive v5.8.0
[INFO] [stderr]    Compiling zvariant v5.8.0
[INFO] [stderr]    Compiling ravif v0.11.20
[INFO] [stderr]    Compiling zbus_names v4.2.0
[INFO] [stderr]    Compiling image v0.25.8
[INFO] [stderr]    Compiling zbus_macros v5.12.0
[INFO] [stderr]    Compiling zbus v5.12.0
[INFO] [stderr]    Compiling notify-rust v4.11.7
[INFO] [stderr]    Compiling rtimer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/timer.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn timer_from_file(filename: &str) -> Timer {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Timer` is never constructed
[INFO] [stdout]  --> src/timer.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Timer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `duration` is never used
[INFO] [stdout]   --> src/timer.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Timer {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 12 |     pub fn duration(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_to_file` is never used
[INFO] [stdout]   --> src/timer.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn serialize_to_file(timer: Timer, filename: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timer_from_file` is never used
[INFO] [stdout]   --> src/timer.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn timer_from_file(filename: &str) -> Timer {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "5343251c025a6b7a9a45ed3aaa64e01d4cf2f0dc685bffb86a90e43a3160926e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5343251c025a6b7a9a45ed3aaa64e01d4cf2f0dc685bffb86a90e43a3160926e", kill_on_drop: false }`
[INFO] [stdout] 5343251c025a6b7a9a45ed3aaa64e01d4cf2f0dc685bffb86a90e43a3160926e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5676b46de437252ec9def8042b4023f535ef4f52532b811e3fdee1782169a37
[INFO] running `Command { std: "docker" "start" "-a" "e5676b46de437252ec9def8042b4023f535ef4f52532b811e3fdee1782169a37", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtimer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/timer.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn timer_from_file(filename: &str) -> Timer {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Timer` is never constructed
[INFO] [stdout]  --> src/timer.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Timer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `duration` is never used
[INFO] [stdout]   --> src/timer.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Timer {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 12 |     pub fn duration(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_to_file` is never used
[INFO] [stdout]   --> src/timer.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn serialize_to_file(timer: Timer, filename: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timer_from_file` is never used
[INFO] [stdout]   --> src/timer.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn timer_from_file(filename: &str) -> Timer {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "e5676b46de437252ec9def8042b4023f535ef4f52532b811e3fdee1782169a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5676b46de437252ec9def8042b4023f535ef4f52532b811e3fdee1782169a37", kill_on_drop: false }`
[INFO] [stdout] e5676b46de437252ec9def8042b4023f535ef4f52532b811e3fdee1782169a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d495bb9adf474c3b888562b447981d510667c4bec23769908381a14d55d975f9
[INFO] running `Command { std: "docker" "start" "-a" "d495bb9adf474c3b888562b447981d510667c4bec23769908381a14d55d975f9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/timer.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn timer_from_file(filename: &str) -> Timer {
[INFO] [stderr]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Timer` is never constructed
[INFO] [stderr]  --> src/timer.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Timer {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `duration` is never used
[INFO] [stderr]   --> src/timer.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Timer {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] 12 |     pub fn duration(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `serialize_to_file` is never used
[INFO] [stderr]   --> src/timer.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn serialize_to_file(timer: Timer, filename: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `timer_from_file` is never used
[INFO] [stderr]   --> src/timer.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn timer_from_file(filename: &str) -> Timer {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rtimer` (bin "rtimer" test) generated 5 warnings (run `cargo fix --bin "rtimer" -p rtimer --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rtimer-f65a87eac0586924)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d495bb9adf474c3b888562b447981d510667c4bec23769908381a14d55d975f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d495bb9adf474c3b888562b447981d510667c4bec23769908381a14d55d975f9", kill_on_drop: false }`
[INFO] [stdout] d495bb9adf474c3b888562b447981d510667c4bec23769908381a14d55d975f9